JPH1124699A - 音声符号化方法及び装置 - Google Patents

音声符号化方法及び装置

Info

Publication number
JPH1124699A
JPH1124699A JP10113808A JP11380898A JPH1124699A JP H1124699 A JPH1124699 A JP H1124699A JP 10113808 A JP10113808 A JP 10113808A JP 11380898 A JP11380898 A JP 11380898A JP H1124699 A JPH1124699 A JP H1124699A
Authority
JP
Japan
Prior art keywords
frame
lag
pitch
autocorrelation function
weighting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP10113808A
Other languages
English (en)
Japanese (ja)
Inventor
Ari Lakaniemi
ラカニエミ アリ
Janne Vainio
バイニオ ジャン
Pasi Ojala
オジャラ パシー
Petri Haavisto
ハーヴィスト ペトリ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI971976A external-priority patent/FI971976A/fi
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of JPH1124699A publication Critical patent/JPH1124699A/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/15—Correlation function computation including computation of convolution operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
JP10113808A 1997-05-07 1998-04-23 音声符号化方法及び装置 Withdrawn JPH1124699A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI971976 1997-05-07
FI971976A FI971976A (fi) 1997-05-07 1997-05-07 Puhekoodaus
FI980502 1998-03-05
FI980502A FI113903B (fi) 1997-05-07 1998-03-05 Puheen koodaus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2003350824A Division JP2004038211A (ja) 1997-05-07 2003-10-09 音声符号化方法及び装置

Publications (1)

Publication Number Publication Date
JPH1124699A true JPH1124699A (ja) 1999-01-29

Family

ID=26160386

Family Applications (3)

Application Number Title Priority Date Filing Date
JP10113808A Withdrawn JPH1124699A (ja) 1997-05-07 1998-04-23 音声符号化方法及び装置
JP2003350824A Pending JP2004038211A (ja) 1997-05-07 2003-10-09 音声符号化方法及び装置
JP2009101116A Expired - Lifetime JP4866438B2 (ja) 1997-05-07 2009-04-17 音声符号化方法及び装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2003350824A Pending JP2004038211A (ja) 1997-05-07 2003-10-09 音声符号化方法及び装置
JP2009101116A Expired - Lifetime JP4866438B2 (ja) 1997-05-07 2009-04-17 音声符号化方法及び装置

Country Status (10)

Country Link
US (1) US6199035B1 (fr)
EP (1) EP0877355B1 (fr)
JP (3) JPH1124699A (fr)
KR (2) KR100653926B1 (fr)
CN (1) CN1120471C (fr)
AU (1) AU739238B2 (fr)
DE (1) DE69814517T2 (fr)
ES (1) ES2198615T3 (fr)
FI (1) FI113903B (fr)
WO (1) WO1998050910A1 (fr)

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US7895036B2 (en) * 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US7725315B2 (en) * 2003-02-21 2010-05-25 Qnx Software Systems (Wavemakers), Inc. Minimization of transient noises in a voice signal
US8073689B2 (en) 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
US7885420B2 (en) * 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
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US8543390B2 (en) * 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US8170879B2 (en) * 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7716046B2 (en) * 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
US7610196B2 (en) * 2004-10-26 2009-10-27 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US7949520B2 (en) * 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US8306821B2 (en) * 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US8284947B2 (en) * 2004-12-01 2012-10-09 Qnx Software Systems Limited Reverberation estimation and suppression system
US7933767B2 (en) * 2004-12-27 2011-04-26 Nokia Corporation Systems and methods for determining pitch lag for a current frame of information
US7386445B2 (en) * 2005-01-18 2008-06-10 Nokia Corporation Compensation of transient effects in transform coding
US8027833B2 (en) * 2005-05-09 2011-09-27 Qnx Software Systems Co. System for suppressing passing tire hiss
US8311819B2 (en) * 2005-06-15 2012-11-13 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
US8170875B2 (en) 2005-06-15 2012-05-01 Qnx Software Systems Limited Speech end-pointer
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
EP2228789B1 (fr) * 2006-03-20 2012-07-25 Mindspeed Technologies, Inc. Lissage de lecture de hauteur tonale en boucle ouverte
US7844453B2 (en) 2006-05-12 2010-11-30 Qnx Software Systems Co. Robust noise estimation
US8010350B2 (en) * 2006-08-03 2011-08-30 Broadcom Corporation Decimated bisectional pitch refinement
US7752038B2 (en) * 2006-10-13 2010-07-06 Nokia Corporation Pitch lag estimation
US8335685B2 (en) 2006-12-22 2012-12-18 Qnx Software Systems Limited Ambient noise compensation system robust to high excitation noise
US8326620B2 (en) 2008-04-30 2012-12-04 Qnx Software Systems Limited Robust downlink speech and noise detector
US8386246B2 (en) * 2007-06-27 2013-02-26 Broadcom Corporation Low-complexity frame erasure concealment
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) * 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8209514B2 (en) * 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466672B (en) 2009-01-06 2013-03-13 Skype Speech coding
GB2466674B (en) 2009-01-06 2013-11-13 Skype Speech coding
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466670B (en) 2009-01-06 2012-11-14 Skype Speech encoding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
CN102016530B (zh) * 2009-02-13 2012-11-14 华为技术有限公司 一种基音周期检测方法和装置
US8452606B2 (en) 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
US9384759B2 (en) 2012-03-05 2016-07-05 Malaspina Labs (Barbados) Inc. Voice activity detection and pitch estimation
US9020818B2 (en) 2012-03-05 2015-04-28 Malaspina Labs (Barbados) Inc. Format based speech reconstruction from noisy signals
US9437213B2 (en) 2012-03-05 2016-09-06 Malaspina Labs (Barbados) Inc. Voice signal enhancement
US9123328B2 (en) * 2012-09-26 2015-09-01 Google Technology Holdings LLC Apparatus and method for audio frame loss recovery
EP3399522B1 (fr) * 2013-07-18 2019-09-11 Nippon Telegraph and Telephone Corporation Dispositif d'analyse par prédiction linéaire, procédé, programme et support d'informations
ES2819032T3 (es) 2013-12-19 2021-04-14 Ericsson Telefon Ab L M Estimación de ruido de fondo en señales de audio

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Also Published As

Publication number Publication date
AU739238B2 (en) 2001-10-04
WO1998050910A1 (fr) 1998-11-12
EP0877355A3 (fr) 1999-06-16
KR100653926B1 (ko) 2006-12-05
JP2009223326A (ja) 2009-10-01
CN1255226A (zh) 2000-05-31
EP0877355B1 (fr) 2003-05-14
KR100653932B1 (ko) 2006-12-04
US6199035B1 (en) 2001-03-06
CN1120471C (zh) 2003-09-03
DE69814517T2 (de) 2004-04-08
AU6403298A (en) 1998-11-27
FI113903B (fi) 2004-06-30
EP0877355A2 (fr) 1998-11-11
DE69814517D1 (de) 2003-06-18
ES2198615T3 (es) 2004-02-01
KR20040037265A (ko) 2004-05-04
KR20010006394A (ko) 2001-01-26
FI980502A (fi) 1998-11-08
JP4866438B2 (ja) 2012-02-01
JP2004038211A (ja) 2004-02-05
FI980502A0 (fi) 1998-03-05

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